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Isotope data of vesicomyid clams collected in the Pacific Ocean off the Oregon coastline in 2019 Isotope data of vesicomyid clams collected in the Pacific Ocean off the Oregon coastline in 2019
Isotope data for vesicomyid clams collected in the Pacific Ocean off the Oregon coastline in 2019.
Topobathymetric elevation model of the causeway breach, Great Salt Lake, Utah (ver. 2.0, January 2026) Topobathymetric elevation model of the causeway breach, Great Salt Lake, Utah (ver. 2.0, January 2026)
A permeable rock-fill causeway was constructed across Great Salt Lake between 1957–1959, dividing the lake into North and South Arms. Several open channels have been constructed to connect the two arms of the lake, with the most recent, informally named the New Breach, being completed in 2016. A berm across the New Breach restricts flow between the North and South Arms and was originally...
Data from 126 logged groundwater wells analyzed to assess geologic, topographic, and physiographic controls on the occurrence and distribution of fractures and transmissivity of water-bearing fractures in West Virginia Data from 126 logged groundwater wells analyzed to assess geologic, topographic, and physiographic controls on the occurrence and distribution of fractures and transmissivity of water-bearing fractures in West Virginia
This data release summarizes 126 borehole geophysical logs collected in fractured rock aquifers within the state of West Virginia. Data includes site information for the wells logged, in addition to all fractures identified as part of processing of borehole logs collected for the study. A machine learning algorithm was used to identify values in logs characteristic of specific lithologic
An enhanced national-scale urban tree canopy cover dataset for the United States Data Release (2025) An enhanced national-scale urban tree canopy cover dataset for the United States Data Release (2025)
Moderate-resolution (30 m) national map products have limited capacity to represent fine-scale, heterogeneous urban forms and processes, yet systematic improvements from incorporating higher resolution predictor data remain rare. In this study, we applied random forest models to high-resolution land cover data for 71 U.S. urban areas, moderate-resolution National Land Cover Database...
Geochemical data for groundwater and surface water from the Waste Rock Dam area, Sulphur Bank Mercury Mine, Lake County, California Geochemical data for groundwater and surface water from the Waste Rock Dam area, Sulphur Bank Mercury Mine, Lake County, California
The Sulphur Bank Mercury Mine in Lake County, California, was the site of historical mercury mining from 1880s through 1973.Since 1990, the mine area has been a Superfund site managed by the U.S. Environmental Protection Agency (USEPA). As part of a Remedial Investigation, the USEPA and the U.S. Geological Survey (USGS) are collaborating on a groundwater investigation in a part of the...
Groundwater tracing used to delineate recharge areas for subterranean streams at Oregon Caves National Monument and Preserve Groundwater tracing used to delineate recharge areas for subterranean streams at Oregon Caves National Monument and Preserve
Karst is a landscape where the hydrology of surface water systems is intricately connected to groundwater systems through the development of conduits and solutional opening in soluble bedrock, such as limestone, marble, or dolomite. This connectivity can present challenges to preserving water quality and quantity for karst aquifers, as activities that occur in karst areas can often have...